<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>js1</title>
<!--    <script>-->
<!--        alert("Hello tyk!!!");-->
<!--    </script>-->
<!--    <script src="JS1.js"></script>-->
    <script src="JS2.js"></script>
</head>
<body>
    Hello World <br/>
</body>
</html>